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Protection of power transformers against geomagnetically induced currents
Author(s) -
Владимир Гуревич
Publication year - 2011
Publication title -
serbian journal of electrical engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.133
H-Index - 5
eISSN - 2217-7183
pISSN - 1451-4869
DOI - 10.2298/sjee1103333g
Subject(s) - geomagnetically induced current , current transformer , transformer , relay , protective relay , electrical engineering , physics , engineering , mechanics , earth's magnetic field , power (physics) , magnetic field , voltage , geomagnetic storm , thermodynamics , quantum mechanics
The article examines the problem of saturation and failure of power transformers under geomagnetically induced currents and currents of the E3 component of high-altitude nuclear explosions. It also describes a special protective relay reacting on DC component in the transformer neutral current

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